# type topo
# cell     4.471000     4.471000     1.000000    90.000000    90.000000    90.000000
16
  1 o      0.433240    0.000000    0.250000   0                             3/10      4/13      1/14      1/12       9/3       9/4 
  2 o      1.802260    0.000000    0.750000   0                             3/10      4/14      2/14      2/12     10/13     10/14 
  3 o      1.117750    3.786490    0.500000   0                             1/16      2/16      3/14      3/12     11/13     11/14 
  4 o      1.117750    0.684510    0.000000   0                             1/13      2/12      4/14      4/12     12/13     12/12 
  5 o      2.668740    2.235500    0.750000   0                             7/14      8/13      5/14      5/12     13/13     13/14 
  6 o      4.037760    2.235500    0.250000   0                             7/13      8/13      6/14      6/12     14/22     14/21 
  7 o      3.353250    1.550990    0.000000   0                             5/12      6/13      7/14      7/12     15/13     15/12 
  8 o      3.353250    2.920010    0.500000   0                             5/13      6/13      8/14      8/12     16/13     16/14 
  9 o      4.037760    0.000000    0.750000   0                             1/23      1/22     16/11     15/13      9/14      9/12 
 10 o      2.668740    0.000000    0.250000   0                             2/13      2/12     15/13     16/10     10/14     10/12 
 11 o      1.117750    2.920010    0.000000   0                             3/13      3/12     13/13     14/12     11/14     11/12 
 12 o      1.117750    1.550990    0.500000   0                             4/13      4/14     14/13     13/13     12/14     12/12 
 13 o      1.802260    2.235500    0.250000   0                             5/13      5/12     11/13     12/13     13/14     13/12 
 14 o      0.433240    2.235500    0.750000   0                              6/4       6/5     11/14     12/13     14/14     14/12 
 15 o      3.353250    0.684510    0.500000   0                             7/13      7/14      9/13     10/13     15/14     15/12 
 16 o      3.353250    3.786490    0.000000   0                             8/13      8/12      9/15     10/16     16/14     16/12